字体，颜色对话框和exit编辑框设置颜色和button控件颜色及平面效果和取屏幕上任意一点的颜色

// DemoDlg.cpp : implementation file // #include "stdafx.h" #include "Demo.h" #include "DemoDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDemoDlg dialog CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/) : CDialog(CDemoDlg::IDD, pParent) { //{{AFX_DATA_INIT(CDemoDlg) m_text1 = _T("0"); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); m_col = RGB(255, 0, 0); m_setCol = false; m_font.CreatePointFont(200, "华文楷体"); m_brush.CreateSolidBrush(RGB(0, 255, 0)); } void CDemoDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDemoDlg) DDX_Control(pDX, IDC_BUTTON1, m_Button1); DDX_Control(pDX, IDC_BT_UPANDDOWN, m_BtnUpAndDown); DDX_Text(pDX, IDC_EDIT1, m_text1); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDemoDlg, CDialog) //{{AFX_MSG_MAP(CDemoDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP() ON_BN_CLICKED(IDC_BUTTON1, OnColor) ON_BN_CLICKED(IDC_BUTTON2, OnSetFont) ON_WM_MOUSEMOVE() ON_WM_CTLCOLOR() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDemoDlg message handlers BOOL CDemoDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here GetDlgItem(IDC_ST_Pic)->GetWindowRect(m_rect); m_rect.top += 3; m_rect.left += 3; m_rect.right -= 3; m_rect.bottom -=3; ScreenToClient(&m_rect); return TRUE; // return TRUE unless you set the focus to a control } void CDemoDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CDemoDlg::OnPaint() { CPaintDC dc(this); CBrush br(m_col); dc.FillRect(m_rect, &br); if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CDemoDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CDemoDlg::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default IDI_BT_DOWN if (::ChildWindowFromPoint(m_hWnd,point) == m_BtnUpAndDown.m_hWnd) { SetCapture(); SetCursor(AfxGetApp()->LoadCursor(IDC_BT_DOWN)); m_BtnUpAndDown.SetIcon(AfxGetApp()->LoadIcon(IDI_BT_DOWN)); m_setCol = TRUE; } CDialog::OnLButtonDown(nFlags, point); } void CDemoDlg::OnLButtonUp(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default ReleaseCapture(); SetCursor(AfxGetApp()->LoadStandardCursor(IDC_ARROW)); m_BtnUpAndDown.SetIcon(AfxGetApp()->LoadIcon(IDI_BT_UP)); m_setCol = false; CDialog::OnLButtonUp(nFlags, point); } void CDemoDlg::OnColor() { // TODO: Add your control notification handler code here CColorDialog dlg; //为了保留先前的设置而进行的操作 dlg.m_cc.Flags |= CC_RGBINIT; dlg.m_cc.rgbResult = m_col; if(IDOK == dlg.DoModal()) { // m_col = dlg.m_cc.rgbResult; //这两种方式都可以 m_col = dlg.GetColor(); } InvalidateRect(m_rect,true); } void CDemoDlg::OnSetFont() { // TODO: Add your control notification handler code here CFontDialog dlg; if(IDOK == dlg.DoModal()) { if(m_font.m_hObject) m_font.DeleteObject(); m_font.CreateFontIndirect(dlg.m_cf.lpLogFont); Invalidate(); } } void CDemoDlg::OnMouseMove(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default if(m_setCol) { //坐标转换 ClientToScreen(&point); //获得桌面上鼠标移到的任意一点的颜色 ::GetDC(0) 用0表示全局即桌面 m_col=::GetPixel(::GetDC(0),point.x,point.y); InvalidateRect(m_rect,true); } CDialog::OnMouseMove(nFlags, point); } HBRUSH CDemoDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); // TODO: Change any attributes of the DC here if(pWnd->GetDlgCtrlID() == IDC_ST_Font) { pDC->SelectObject(&m_font); } if(pWnd->GetDlgCtrlID() == IDC_EDIT1) { pDC->SetTextColor(RGB(255, 0, 0)); pDC->SetBkMode(TRANSPARENT); return m_brush; } if(pWnd->GetDlgCtrlID() == IDC_BUTTON1) { pDC->SetTextColor(RGB(255, 0, 255)); } // TODO: Return a different brush if the default is not desired return hbr; }